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In 2013 the United Kingdom's Office for National Statistics (ONS) published 2011 Built-up Areas – Methodology and Guidance which sets out its definition of a Built-up area (BUA) as an area of built-up land of at least 20 hectares (0.077 sq mi), separated from other settlements by at least 200 metres (660 ft).
A superblock, or super-block, is an area of urban land that is bounded by arterial roads and the size of multiple typically sized city blocks. [3] Within the superblock, the local road network, if any, is designed to serve only local needs.
In the urban planning and development industries, infill has been defined as the use of land within a built-up area for further construction, especially as part of a community redevelopment or growth management program or as part of smart growth. [6] [7] It focuses on the reuse and repositioning of obsolete or underutilized buildings and sites. [8]
An urban area can be defined by one or more of the following: administrative criteria or political boundaries (e.g., area within the jurisdiction of a municipality or town committee), a threshold population size (where the minimum for an urban settlement is typically in the region of 2,000 people, although this varies globally between 200 and ...
Urban area Country Built-up land area (km 2) Population Urban population density (per km 2) Greater Los Angeles United States: 87,940 18,316,743 541.1 San Francisco-Oakland-San Jose (Bay Area) United States: 26,390 9,710,000 953 New York City (New York City Metropolitan Area) United States: 12,093 20,902,000 1,728 Boston–Providence United ...
Measures for urban sprawl in Europe: upper left the Dispersion of the built-up area (DIS), upper right the weighted urban proliferation (WUP). The term urban sprawl was often used in the letters between Lewis Mumford and Frederic J. Osborn, [17] firstly by Osborn in his 1941 letter to Mumford and later by Mumford, generally condemning the waste of agricultural land and landscape due to ...
The methodology used by ONS in 2011 is set out in 2011 Built-up Areas – Methodology and Guidance, published in June 2013. When ONS reported the results of the 2011 UK census, it used the term "built-up area" rather than the term "urban area" as used in previous censuses. ONS states, however, that the criteria used to define "built-up area ...
The official definition of each area does not necessarily follow the actual extent of continuous urbanization. For example, the built-up area of Metro Manila has long spilled out of its officially defined borders into the adjacent provinces of Bulacan, Rizal, Laguna, and Cavite known as Greater Manila Area. The number of metropolitan areas in ...